Ответ:

1. 1. has been learning

2. have been playing

3. have you been waiting

4. has been riding

5.haven`t been feeling

6.has been raining

2. 1. for

2. for

3. since

4. since

5.for

6.since

3. 1. so do i

2. so am i

3. neither do i

4. so am i

5.neither am i

6.so do i